I plan to use the media mix to ()reach our .
A. target market
B. free market
C. stock market
线缆性能与温度对于信号衰减的影响及作用是不大的。()
A. 正确
B. 错误
煤矿在维修监控系统故障时,每()向中队报告一次处理结果。
A. 10分钟
B. 30分钟
C. 60分钟
Official proof of a Chinese vessel’s nationality is contained in the ().
A. Certificate of Inspection
B. Official Log
Certificate of Documentation
D. Shipping Article